Finding the Fourth Proportional to 329,287.71, 454,438.04 and 201,945.99
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Solution
The fourth proportional to 329,287.71, 454,438.04 and 201,945.99 is: 278,698.34
Step by Step Solution
- Step 1: Write the proportion equation
329,287.71 : 454,438.04 = 201,945.99 : x - Step 2: Convert to fraction form
329,287.71/454,438.04 = 201,945.99/x - Step 3: Cross multiply
329,287.71x = 454,438.04 × 201,945.99 - Step 4: Simplify right side
329,287.71x = 91,771,938,871.73 - Step 5: Solve for x
x = 91,771,938,871.73/329,287.71 - Step 6: Final answer
x = 278,698.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.